package android.bus.util;

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.bus.EventBus;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

public class ErrorDialogFragments {
	/** TODO Use config: Icon res ID to use for all error dialogs. May be configured by each app (optional). */
	public static int ERROR_DIALOG_ICON = 0;

	/** TODO Use config: Event class to be fired on dismissing the dialog by the user. May be configured by each app. */
	public static Class<?> EVENT_TYPE_ON_CLICK;

	public static Dialog createDialog(Context context, Bundle arguments, OnClickListener onClickListener) {
		AlertDialog.Builder builder = new AlertDialog.Builder(context);
		builder.setTitle(arguments.getString(ErrorDialogManager.KEY_TITLE));
		builder.setMessage(arguments.getString(ErrorDialogManager.KEY_MESSAGE));
		if (ERROR_DIALOG_ICON != 0) {
			builder.setIcon(ERROR_DIALOG_ICON);
		}
		builder.setPositiveButton(android.R.string.ok, onClickListener);
		return builder.create();
	}

	public static void handleOnClick(DialogInterface dialog, int which, Activity activity, Bundle arguments) {
		if (EVENT_TYPE_ON_CLICK != null) {
			Object event;
			try {
				event = EVENT_TYPE_ON_CLICK.newInstance();
			} catch (Exception e) {
				throw new RuntimeException("Event cannot be constructed", e);
			}
			EventBus eventBus = ErrorDialogManager.factory.config.getEventBus();
			eventBus.post(event);
		}
		boolean finish = arguments.getBoolean(ErrorDialogManager.KEY_FINISH_AFTER_DIALOG, false);
		if (finish && activity != null) {
			activity.finish();
		}
	}

	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	public static class Honeycomb extends android.app.DialogFragment implements OnClickListener {
		@Override
		public Dialog onCreateDialog(Bundle savedInstanceState) {
			return createDialog(getActivity(), getArguments(), this);
		}

		@Override
		public void onClick(DialogInterface dialog, int which) {
			handleOnClick(dialog, which, getActivity(), getArguments());
		}
	}

	public static class Support extends DialogFragment implements OnClickListener {
		@Override
		public Dialog onCreateDialog(Bundle savedInstanceState) {
			return createDialog(getActivity(), getArguments(), this);
		}

		@Override
		public void onClick(DialogInterface dialog, int which) {
			handleOnClick(dialog, which, getActivity(), getArguments());
		}
	}
}
